Manipal Medical Manipal Medical Solved Paper-2012

  • question_answer
    \[C{{H}_{3}}COOH\xrightarrow[{}]{LiAl{{H}_{4}}}A+C{{H}_{3}}COOH\]\[\xrightarrow[{}]{{{H}_{3}}{{O}^{+}}}B+{{H}_{2}}O\] In the above reactions A and B respectively are

    A)  \[C{{H}_{3}}COO{{C}_{2}}{{H}_{5}},{{C}_{2}}{{H}_{5}}PH\]

    B)  \[C{{H}_{3}}CHO,{{C}_{2}}{{H}_{5}}OH\]

    C)  \[{{C}_{2}}{{H}_{5}}PH,C{{H}_{3}}CHO\]

    D)  \[{{C}_{2}}{{H}_{5}}OH,C{{H}_{3}}COO{{C}_{2}}{{H}_{5}}\]

    Correct Answer: D

    Solution :

     \[C{{H}_{3}}COOH+4H\xrightarrow[{}]{LiAl{{H}_{4}}}\underset{(A)}{\mathop{C{{H}_{3}}C{{H}_{2}}OH}}\,+{{H}_{2}}O\] \[\underset{(A)}{\mathop{C{{H}_{3}}{{C}_{2}}OH}}\,+C{{H}_{3}}COOH\xrightarrow[{}]{{{H}_{3}}{{O}^{+}}}\underset{(B)}{\mathop{C{{H}_{3}}COO{{C}_{2}}{{H}_{5}}}}\,\] \[+{{H}_{2}}O\]


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